1131121031201 has 8 divisors (see below), whose sum is σ = 1292736192384. Its totient is φ = 969512480640.

The previous prime is 1131121031179. The next prime is 1131121031219. The reversal of 1131121031201 is 1021301211311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131121031201 - 2¹⁸ = 1131120769057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131121031201.

It is not an unprimeable number, because it can be changed into a prime (1131121031801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1280405 + ... + 1975266.

It is an arithmetic number, because the mean of its divisors is an integer number (161592024048).

Almost surely, 2^{1131121031201} is an apocalyptic number.

It is an amenable number.

1131121031201 is a deficient number, since it is larger than the sum of its proper divisors (161615161183).

1131121031201 is an equidigital number, since it uses as much as digits as its factorization.

1131121031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305311.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1131121031201 its reverse (1021301211311), we get a palindrome (2152422242512).

The spelling of 1131121031201 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-one million, thirty-one thousand, two hundred one".